/*
 * Copyright (c) 2012, marco.tamburelli@gmail.com
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met: 
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.bmi.gwt.mi.shared;

import java.util.ArrayList;
import java.util.List;

import org.bmi.gwt.mi.shared.communication.call.Call;
import org.bmi.gwt.mi.shared.communication.call.ConstructorCall;
import org.bmi.gwt.mi.shared.communication.call.MethodCall;
import org.bmi.gwt.mi.shared.communication.ptypes.Param;
import org.bmi.gwt.mi.shared.exceptions.InvalidArgumentException;
import org.bmi.gwt.mi.shared.util.ArrayUtils;

/**
 * Class that encapsulate and provides a proxy instance, plus provides tools to
 * execute proxy methods in no transactional environment.
 * 
 * @author marco.tamburelli@gmail.com
 */
public abstract class MiProxyPublisher extends MiPublisher
{
	// FIXME args should be directly a list of params.

	@Override
	public void publishConstructor(String objectId, Class<? extends MiObject> targetType, String argsSignature,
			Param<?>[] args) throws InvalidArgumentException
	{
		ConstructorCall call = new ConstructorCall();
		call.setObjectId(objectId);
		call.setTargetClassName(targetType.getName());
		call.setArgsSignature(argsSignature);
		call.setConstructorArgs(ArrayUtils.asList(args));

		List<Call> calls = new ArrayList<Call>();
		calls.add(call);

		publish(calls);
	}

	@Override
	public <T extends MiProxy> MiProxy publishMethod(String objectId, Class<? extends MiObject> targetType,
			String methodName, String argsSignature, Param<?>[] args, String targetReturnJsni, Class<T> returnType)
			throws InvalidArgumentException
	{
		MethodCall call = new MethodCall();
		call.setObjectId(objectId);
		call.setTargetClassName(targetType.getName());
		call.setMethod(methodName);
		call.setArgsSignature(argsSignature);
		call.setArguments(ArrayUtils.asList(args));

		List<Call> calls = new ArrayList<Call>();
		calls.add(call);

		publish(calls);

		return null;
	}

	@Override
	public void publishMethod(String objectId, Class<? extends MiObject> targetType, String methodName,
			String argsSignature, Param<?>[] args) throws InvalidArgumentException
	{
		MethodCall call = new MethodCall();
		call.setObjectId(objectId);
		call.setTargetClassName(targetType.getName());
		call.setMethod(methodName);
		call.setArgsSignature(argsSignature);
		call.setArguments(ArrayUtils.asList(args));

		List<Call> calls = new ArrayList<Call>();
		calls.add(call);

		publish(calls);
	}

	/**
	 * Publishes the provided method calls.
	 * 
	 * @param calls
	 */
	protected abstract void publish(List<Call> calls);
}
